She's 43. She's an American citizen. She lives in Fremont, California (where she was arrested). She has a degree from the National Taiwan University. She has a masters degree in statistics from Stanford

And now for some more riveting details.

She began getting paid for insider information in September 2006.

When a cooperating witness asked Jiau if she had data yet on the next quarter, she replied: "As soon as I get it, I give you guys a buzz."

She was an "expert consultant" with PGR between September '06 and December '08. She was a contractor for Nvidia, one of the companies she gave tips on, and left the company a year ago.

In 2007, according to civil court documents, she sued her former employer, Adteractive, for sexual-harassment. She was a senior statistician at the firm, and was allegedly fired for "refusing the alleged sexual advances of a supervisor." The case was dismissed after a confidential settlement.

Prosecutors think she's a flight risk because when the feds entered her house,

They heard her car running in an attempt to drive off... The agents found packed luggage inside her house. Jiau claimed she had just returned from a trip to Asia. The prosecutor said her Asia trip took place in October.